EP1414762B1 - Verfahren zum thermischen vorspannen von glasplatten - Google Patents
Verfahren zum thermischen vorspannen von glasplatten Download PDFInfo
- Publication number
- EP1414762B1 EP1414762B1 EP02702683A EP02702683A EP1414762B1 EP 1414762 B1 EP1414762 B1 EP 1414762B1 EP 02702683 A EP02702683 A EP 02702683A EP 02702683 A EP02702683 A EP 02702683A EP 1414762 B1 EP1414762 B1 EP 1414762B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- glass
- temperature
- glass pane
- outer surfaces
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/02—Tempering or quenching glass products using liquid
- C03B27/03—Tempering or quenching glass products using liquid the liquid being a molten metal or a molten salt
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/0413—Stresses, e.g. patterns, values or formulae for flat or bent glass sheets
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
- C03B29/04—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way
- C03B29/06—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins in a continuous way with horizontal displacement of the products
- C03B29/08—Glass sheets
Definitions
- the invention relates to a method for Tempering of glass plates as well as the application of the Method according to the preambles of the independent Claims.
- Glass plates with pressure-stressed outer surfaces preferably used where increased Requirements for mechanical and / or thermal Alternating strength or resistance of the glass plates, especially in case of fire, are made or the Risk of injury reduced in case of glass breakage shall be.
- the compressive prestress in the outer surfaces the glass plate causes an increase in the impact and Bending tensile strength of the glass plate, resulting in an increase mechanical resistance to breakage and improvement the thermal shock resistance leads and the Glass plate in case of break ideally in many shatter small pieces.
- vehicle construction e.g.
- the tempering of glass plates takes place in practice almost exclusively by chemical or thermal means, the thermal tempering for cost reasons and reasons of durability of the compression bias of the outer surfaces in the production of tempered glass plates of usual thickness is given clear priority.
- the glass plate is briefly heated to temperatures above the transformation temperature of the glass and often even to just below the Littleton or softening temperature of the type of glass used (temperature at which the glass has a viscosity of 10 7.6 dPa s) and then rapidly cooled or quenched, wherein the maximum heating temperature, the cooling rate and the final temperature are chosen such that the two outer surfaces of the glass plate then permanently at the temperature of use have the desired compression bias.
- the glass plate is customary, for example, to heat the glass plate to a temperature in the abovementioned range within a few minutes in a heating oven and then to cool it to ambient temperature within one to two minutes by blowing cold air.
- the outer surfaces of the glass plate first "freeze", whereby they can initially contract due to the still poor strength of the even warmer glass inside the glass plate practically without a build-up of tension.
- thermally tempered glass plates the disadvantage that the typical strength values, where a batch of such plates in the today Concerning qualification procedures required the statistical probability of failure in case of fire met, are quite low, so that simply thermal tempered glass panes without additional precipitation or finishing measures, such as hot storage for excretion of spontaneous breakage under heat Slices and optionally renewed thermal Biasing, not used today in many areas can be.
- the improvement in turn this Slices resulting from the measures mentioned above are and costly, so that the thermals available today tempered glass plates with high strength and low probability of failure in case of fire are relatively expensive to manufacture.
- the glass plate is brought over its entire cross section to temperatures above the transformation temperature of the glass plate forming glass material, ie at temperatures above that temperature at which the glass plate forming glass material has a viscosity of 10 13 dPa s having.
- the glass plate at the end of the heating ie at the beginning of their transfer from the heating to cooling or quenching device, or at the beginning of cooling, ie directly after completion of the transfer or directly before the start of blowing and / or spraying Cooling medium, temperatures corresponding to a temperature at which the glass plate forming glass material has a viscosity between 10 7.6 dPa s and 10 6 dPa s, or in other words, which lie between the Littleton or softening temperature and the flow temperature of the glass.
- the cooling of the heated glass plate by at least initially active and intense cooling of the outer surfaces of the same such that a permanent pressure bias remains in their outer surfaces.
- the transfer of the heated glass plate from the heating to the cooling arrangement is neither for heating nor for cooling and is not understood as an intermediate step according to the preceding sentence.
- the glass plate is heated in such a way and optionally transferred from the heating furnace to the cooling arrangement, that seen at the end of the heating and / or at the beginning of cooling over its cross-section anywhere preferably has substantially uniform temperatures, which is equal to or greater Littleton or softening are at which the glass plate forming glass material has a viscosity of 10 7.6 dPa s.
- the glass plate is heated in such a way and optionally transferred from the heating furnace to the cooling arrangement, that seen at the end of the heating and / or at the beginning of cooling over its cross-section anywhere preferably has substantially uniform temperatures, which is equal to or greater Littleton or softening are at which the glass plate forming glass material has a viscosity of 10 7.6 dPa s.
- the heating of the glass plate takes place in two or more heating steps, which advantageously in different heating chambers one Vorspannstrom be performed.
- the glass plate is heated to a temperature just below the littletone or softening temperature of the glass plate forming glass material, ie to a temperature at which the glass material has a viscosity of about 10 8 dPa s. Then the glass plate is heated in the last heating step in the region of its outer surfaces to a temperature which is above the aforementioned softening temperature.
- the last heating step can be made relatively short in terms of time and at the same time it can be ensured that the internal glass temperature moves within a narrow scattering range after the heating has ended.
- Cooling the outer surfaces of the glass plate is preferably carried out by blowing and / or spraying the same with a gaseous medium, a liquid medium or a combination thereof, wherein cold air, preferably with high relative humidity, or a mixture of air and water is particularly preferred because these coolants are cheap and available everywhere are and allow intensive cooling.
- the amount of cooling medium used for cooling per unit of time ie the mass or volume flow, and / or the composition of the cooling medium the time course of the cooling process is changed. So can e.g. only the amount of cooling air with which the outer surfaces the heated glass plate are blown over the cooling process can be changed. Also, for example the outer surfaces of the glass plate at the beginning of the Cooling sprayed with an air-water mixture and then, after freezing the voltage conditions due to a sinking of the temperature of the glass center below the transformation temperature of the glass material, by blowing with air to approximately ambient temperature be cooled.
- the period is between the completion of the heating and the beginning of the cooling, in which the transfer of the heated glass from the heating furnace to the cooling arrangement, less than 7 Seconds, preferably less than 5 seconds, so that the period of time within which the glass plate due to free convection only with low intensity is cooled, resulting in the achievement of high pressure biases is detrimental, relatively short.
- the edges of the glass plate before subjected to edge processing for heating the same preferably broken, ground, rotated, polished and / or fire polished.
- the outer surfaces of the finished tempered glass plate by an abrasion treatment with a multitude of small surface defects provided which is advantageous by blasting with abrasive Particle takes place and with a suitable choice of the blasting material is also possible in such a way that with the naked eye none Surface defects are recognizable. This is possible the dispersion of the probability of failure in case of fire lower the prestressed glass panes.
- starting materials for producing prestressed Glass plates with the aforementioned inventive Processes are preferably glass plates made of aluminosilicate glass, soda-lime glass Borosilicate glass or alkaline earth silicate glass used.
- these glass plates after the Float method produced, which the expert on the Field of flat glass production is a concept.
- Such Glass plates are commercially available, low in price and of good quality.
- starting material glass plates provided on at least one of their two Outside surfaces a relief-like surface structure and / or which on at least one of their both outer surfaces in whole or in part with enamel or screen printing inks or by means of carrier foils are covered with such colors. Let that way e.g. Facade elements with opaque attachment areas produce particularly economically.
- glass plates which on at least one its two outer surfaces in whole or in part with a Coating, preferably for the sun or Thermal protection or for radiation reflection or absorption for fire protection, are provided.
- the coating is advantageously at least or exclusively in the edge region of the glass plate arranged, preferably as at least 10 mm, preferably at least 5 mm wide, along the Boundary edges of the outer surface extending coating tape.
- the method comprises the method at least a first and a second biasing operation, wherein at least one of the two bias operations namely Preferably, the last biasing operation according to previously described method or according to one of the above described preferred embodiments thereof is performed. This eliminates the probability of failure in case of fire by the procedure further reduce prestressed tempered glass plates.
- FIGS. 2 to 6, 1 is a thermal biasing method with reference to FIG discussed in the prior art.
- this is schematic the temperature-time course on the example of a glass plate with 6 mm thickness, with the solid Lines the course of the temperature of the outer surfaces represent the glass plate and the dotted lines the Course of the temperature of the glass center.
- Fig. 1 shows schematically the temperature-time course in a simple thermal tempering process, as it is used today in the industry.
- the entire glass plate ie its outer surfaces and the glass center, within a few minutes to a temperature just below the Littleton- or softening temperature T EW of the glass plate forming material is heated, ie to a temperature just below the temperature, in which the material of the glass plate has a viscosity of 10 7.6 dPa s, which is the case for example with soda-lime glass at about 680 ° C.
- the glass plate is cooled by actively cooling its outer surfaces, for example by blowing the same with air, in a short time to ambient temperature Tamb.
- Fig. 2 shows schematically the temperature-time course in a thermal prestressing method according to the invention.
- both the outer surfaces of the Glass plate as well as the glass center in a single heating step to a temperature well above the Littleton or softening temperature TEW heated and then by intensive cooling of the outer surfaces by means Blowing or spraying the same with a cooling medium within a short time back to ambient temperature Tamb cooled, the temperature difference between the Exterior surfaces and the glass center at the time, too which the temperature of the glass center below the transformation temperature Tg of glass falls, is greater than in the method shown in Fig. 1 according to the State of the art.
- Fig. 3 shows schematically the temperature-time course in another inventive thermal biasing method.
- the glass plate is heated in a heating step and subsequently cooled so that the outer surfaces of the glass plate at the beginning of the cooling process have a temperature well above the Littleton or softening temperature T EW of the glass while the temperature of the glass center at this time is just below the Littleton or softening temperature T EW .
- T EW Littleton or softening temperature
- the temperature of the outer surfaces of the glass plate in the present case is even lower than in the method shown in Fig. 2, so that with this method extremely high pressure biases can be achieved in the outer surfaces of the glass plate.
- the glass plate is in the first, relatively long heating step in a first heating furnace, in which simultaneously heated more glass plates, seen over its entire cross section heated to a substantially uniform temperature at which the glass material used a Viscosity of about 10 8 dPa s has. Then, the glass plate is transferred to a second heating furnace, where it is heated in a second heating step in a relatively short time in the region of its outer surfaces to a temperature well above the Littleton- or softening temperature T EW .
- Fig. 5 shows schematically the temperature-time curve in yet another inventive thermal biasing method, which substantially corresponds to the method shown in Fig. 3 with the difference that the cooling is already started, while the temperature of the glass center in a middle Range between the transformation temperature T g and the Littleton- or softening temperature TEW is.
- Fig. 6 shows schematically the temperature-time curve in a biasing method according to the invention, in which directly behind each other two thermal biasing operations are performed, each comprising a heating step.
- the first tempering operation is carried out according to the thermal tempering process shown in FIG. 1 with the difference that the heating temperature is chosen to be slightly lower and the cooling process is terminated shortly after the temperature of the glass center has fallen below the transformation temperature T g the heating for the second tempering process is initiated.
- the second biasing operation is performed substantially in accordance with the method illustrated in FIG.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mathematical Physics (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Joining Of Glass To Other Materials (AREA)
- Surface Treatment Of Glass (AREA)
- Formation Of Insulating Films (AREA)
- Glass Compositions (AREA)
- Laminated Bodies (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Description
Claims (23)
- Verfahren zum thermischen Vorspannen von Glasplatten umfassend die Schrittea) Aufheizen der Glasplatte auf eine Temperatur oberhalb derjenigen Temperatur, bei der das die Glasplatte bildende Glasmaterial eine Viskosität von 1013 dPa s aufweist, und direkt anschliessendb) Kühlen der Aussenflächen der aufgeheizten Glasplatte zur Erzeugung einer permanenten Druckvorspannung in den Aussenflächen nach der Abkühlung der Glasplatte,
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Glasplatte bei Beendigung des Aufheizens und/oder bei Beginn des Kühlens über ihren gesamten Querschnitt gesehen überall Temperaturen aufweist, welche im wesentlichen gleich oder grösser derjenigen Temperatur sind, bei der das die Glasplatte bildende Glasmaterial eine Viskosität von 107.6 dPa s aufweist, und insbesondere, dass sie bei Beendigung des Aufheizens oder bei Beginn des Kühlens über ihren Querschnitt gesehen eine im wesentlichen einheitliche Temperatur aufweist.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Aufheizen der Glasplatte in zwei oder mehr Aufheizschritten erfolgt, und insbesondere, dass mindestens zwei der Aufheizschritte in verschiedenen Aufheizkammern einer Vorspannanlage durchgeführt werden.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, dass die Glasplatte in einem dem letzten Aufheizschritt direkt vorangehenden Aufheizschritt, insbesondere gleichmässig, auf eine niedrigere Temperatur aufgeheizt wird als in dem direkt nachfolgenden letzten Aufheizschritt und insbesondere, dass die Glasplatte in dem Aufheizschritt, welcher dem letzten Aufheizschritt vorangeht, auf eine Temperatur aufgeheizt wird, die kleiner ist als die Temperatur, bei der das die Glasplatte bildende Glasmaterial eine Viskosität von 1013 dPa s aufweist.
- Verfahren nach einem der Ansprüche 3 bis 4, dadurch gekennzeichnet, dass die Glasplatte in dem Aufheizschritt, der dem letzten Aufheizschritt vorangeht, über ihren gesamten Querschnitt auf eine Temperatur aufgeheizt wird, bei der das die Glasplatte bildende Glasmaterial eine Viskosität von etwa 108 dPa s aufweist und sodann im letzten Aufheizschritt im Bereich ihrer Aussenflächen auf eine Temperatur aufgeheizt wird, welche oberhalb derjenigen Temperatur liegt, bei der das die Glasplatte bildende Glasmaterial eine Viskosität 107.6 dPa s aufweist.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Aussenflächen der Glasplatte bei Beendigung des Aufheizens oder bei Beginn des Kühlens eine deutlich höhere Temperatur aufweisen als die Glasmitte.
- Verfahren nach Anspruch 6, dadurch gekennzeichnet, dass die Aussenflächen der Glasplatte bei Beendigung des Aufheizens und/oder bei Beginn des Kühlens eine Temperatur oberhalb und die Glasmitte eine Temperatur unterhalb derjenigen Temperatur aufweisen, bei der das die Glasplatte bildende Glasmaterial eine Viskosität von 107.6 dPa s aufweist.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Kühlen dadurch erfolgt, dass die Aussenflächen der Glasplatte mit einem gasförmigen und/oder flüssigen Kühlmedium, insbesondere mit kalter Luft oder einem Luft/Wasser-Gemisch, angeblasen bzw. angesprüht werden.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass beim Kühlen der Massen- oder Volumenstrom und/oder die Zusammensetzung des Kühlmediums über den Zeitverlauf verändert wird.
- Verfahren nach einem der Ansprüche 8 bis 9, dadurch gekennzeichnet, dass das Anblasen oder Ansprühen der Aussenflächen mit einem gasförmigen und/oder flüssigen Kühlmedium intervallweise erfolgt.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass zwischen der Beendigung des Aufheizens und dem Beginn des Kühlens weniger als 7 Sekunden, insbesondere weniger als 5 Sekunden vergehen.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Kanten der Glasplatte vorgängig zum Aufheizen einer Kantenbearbeitung unterzogen werden, insbesondere gebrochen, geschliffen, rotiert, poliert und/oder feuerpoliert werden.
- Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass bei der Kantenbearbeitung die Übergänge von den Stirnflächen zu den Aussenflächen der Glasplatte als Fasen oder Rundungen ausgebildet werden, insbesondere mit einer Erstreckung in die Stirn- und Aussenfläche hinein, die im wesentlichen einem Drittel bis einem Sechstel, insbesondere einem Fünftel bis einem Sechstel der Dicke der Glasplatte entspricht.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Aussenflächen der Glasplatte nach dem Kühlen einer Abrasionsbehandlung ausgesetzt werden, insbesondere mit abrasiven Partikel gestrahlt werden, und zwar insbesondere derart, dass mit blossem Auge keine Verletzung der Glasoberfläche sichtbar ist.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Aussenflächen der Glasplatte direkt nach dem Kühlen mit einer Beschichtung versehen werden.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass als Ausgangsmaterial eine Glasplatte aus Alumosilicat-Glas, aus Kalk-Natron-Glas, aus Borosilicat-Glas oder aus Erdalkali-Silikat-Glas verwendet wird, und insbesondere, dass als Ausgangsmaterial eine Floatglasplatte verwendet wird.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass als Ausgangsmaterial eine Glasplatte verwendet wird, welche auf mindestens einer ihrer beiden Aussenflächen eine reliefartige Oberflächenstruktur aufweist.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass als Ausgangsmaterial eine Glasplatte verwendet wird, welche auf mindestens einer ihrer beiden Aussenflächen ganz oder teilweise mit Emaille- oder Siebdruckfarben bedruckt oder mittels Trägerfolien mit solchen Farben belegt ist.
- Verfahren nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass als Ausgangsmaterial eine Glasplatte verwendet wird, welche auf mindestens einer ihrer beiden Aussenflächen ganz oder teilweise mit einer Beschichtung, insbesondere für den Sonnen- oder Wärmeschutz oder zur Strahlungsreflexion- oder -absorption für den Brandschutz, versehen ist.
- Verfahren nach Anspruch 19, dadurch gekennzeichnet, dass die Beschichtung mindestens oder ausschliesslich im Randbereich der Glasplatte angeordnet ist, insbesondere als mindestens 10 mm breites, insbesondere mindestens 5 mm breites Beschichtungsband, welches entlang den Begrenzungskanten einer Aussenfläche verläuft.
- Verfahren zur Herstellung einer vorgespannten Glasplatte, wobei das Verfahren mindestens einen ersten und einen zweiten Vorspannvorgang umfasst, dadurch gekennzeichnet, dass mindestens einer der Vorspannvorgänge, insbesondere der letzte der Vorspannvorgänge, gemäss dem Verfahren nach einem der vorangehenden Ansprüche durchgeführt wird.
- Verfahren nach Anspruch 21, dadurch gekennzeichnet, dass genau zwei Vorspannvorgänge durchgeführt werden und insbesondere, dass zwischen diesen Vorspannvorgängen keine Wärmebehandlung zur Ausscheidung von fehlerhaften, unter Hitzeeinwirkung spontanbruchgefährdeten Glasplatten durchgeführt wird.
- Anwendung des Verfahrens nach einem der vorangehenden Ansprüche zur Herstellung von Brandschutz- und/oder Sicherheitsglasscheiben für Gebäude und/oder Fahrzeuge oder zur Herstellung von Glasplatten als Ausgangsmaterial für die Herstellung solcher Glasscheiben.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
WOPCT/IB01/01434 | 2001-08-09 | ||
PCT/IB2001/001434 WO2003014034A1 (de) | 2001-08-09 | 2001-08-09 | Verfahren und vorrichtung zur herstellung einer vorgespannten glasplatte |
PCT/IB2002/000794 WO2003014035A1 (de) | 2001-08-09 | 2002-03-18 | Verfahren zum thermischen vorspannen von glasplatten |
Publications (2)
Publication Number | Publication Date |
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EP1414762A1 EP1414762A1 (de) | 2004-05-06 |
EP1414762B1 true EP1414762B1 (de) | 2005-01-26 |
Family
ID=11004145
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01953298.5A Expired - Lifetime EP1414761B2 (de) | 2001-08-09 | 2001-08-09 | Verfahren und vorrichtung zur herstellung einer vorgespannten glasplatte |
EP02702683A Expired - Lifetime EP1414762B1 (de) | 2001-08-09 | 2002-03-18 | Verfahren zum thermischen vorspannen von glasplatten |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP01953298.5A Expired - Lifetime EP1414761B2 (de) | 2001-08-09 | 2001-08-09 | Verfahren und vorrichtung zur herstellung einer vorgespannten glasplatte |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP1414761B2 (de) |
AT (2) | ATE297365T1 (de) |
DE (2) | DE50106482D1 (de) |
PL (2) | PL199925B1 (de) |
RU (1) | RU2004106597A (de) |
WO (2) | WO2003014034A1 (de) |
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EP2223900A1 (de) | 2009-02-27 | 2010-09-01 | Schott AG | Beschichtung für den Anzeigebereich von Glas- oder Glaskeramik-Scheiben, Verfahren zur Herstellung einer solchen Beschichtung und deren Verwendung |
EP2243752A1 (de) | 2008-11-21 | 2010-10-27 | Schott AG | Kratzfeste Silikonbeschichtung für Kochflächen aus Glas oder Glaskeramik |
WO2012031837A1 (de) | 2010-09-11 | 2012-03-15 | Schott Ag | Beschichtung auf polyurethanbasis für anzeigebereiche |
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US11485673B2 (en) | 2017-08-24 | 2022-11-01 | Corning Incorporated | Glasses with improved tempering capabilities |
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FR3079513A1 (fr) * | 2018-03-27 | 2019-10-04 | Saint-Gobain Glass France | Verre durci thermiquement isotrope |
WO2020219290A1 (en) | 2019-04-23 | 2020-10-29 | Corning Incorporated | Glass laminates having determined stress profiles and methods of making the same |
CN116811379A (zh) | 2019-08-06 | 2023-09-29 | 康宁股份有限公司 | 具有用于阻止裂纹的埋入式应力尖峰的玻璃层压体及其制造方法 |
LU102041B1 (de) * | 2020-09-03 | 2022-03-03 | Univ Freiberg Tech Bergakademie | Glasgegenstand und Verfahren zum Herstellen eines Glasgegenstandes |
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DE602431C (de) * | 1933-04-05 | 1934-09-08 | Fritz Eckert Dr | Verfahren zum gleichmaessigen Haerten von Glastafeln |
US4065284A (en) * | 1977-03-01 | 1977-12-27 | Ppg Industries, Inc. | Method of tempering glass sheets of unequal thickness |
BE886129A (fr) * | 1979-11-21 | 1981-05-13 | Bfg Glassgroup | Dispositif pour le traitement d'articles en matiere : vitreuse |
GB2064507B (en) * | 1979-11-21 | 1983-06-02 | Bfg Glassgroup | Removing broken fragments formed during glass treatment eg tempering |
GB2232414B (en) * | 1989-03-10 | 1992-05-13 | Stained Glass Systems Ltd | Method for producing coloured designs on glass |
CH686304A5 (de) * | 1994-07-08 | 1996-02-29 | Vetrotech Ag | Verfahren zum Herstellen von ebenen oder gewoelbten Glasplatten. |
FI101621B1 (fi) * | 1997-04-21 | 1998-07-31 | Tamglass Eng Oy | Menetelmä karkaistujen lasilevyjen heat-soak käsittelyä varten |
-
2001
- 2001-08-09 WO PCT/IB2001/001434 patent/WO2003014034A1/de active IP Right Grant
- 2001-08-09 DE DE50106482T patent/DE50106482D1/de not_active Expired - Lifetime
- 2001-08-09 EP EP01953298.5A patent/EP1414761B2/de not_active Expired - Lifetime
- 2001-08-09 PL PL365540A patent/PL199925B1/pl not_active IP Right Cessation
- 2001-08-09 AT AT01953298T patent/ATE297365T1/de active
-
2002
- 2002-03-18 RU RU2004106597/03A patent/RU2004106597A/ru not_active Application Discontinuation
- 2002-03-18 DE DE50202131T patent/DE50202131D1/de not_active Expired - Lifetime
- 2002-03-18 WO PCT/IB2002/000794 patent/WO2003014035A1/de not_active Application Discontinuation
- 2002-03-18 AT AT02702683T patent/ATE287859T1/de active
- 2002-03-18 EP EP02702683A patent/EP1414762B1/de not_active Expired - Lifetime
- 2002-03-18 PL PL367875A patent/PL198059B1/pl not_active IP Right Cessation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2243752A1 (de) | 2008-11-21 | 2010-10-27 | Schott AG | Kratzfeste Silikonbeschichtung für Kochflächen aus Glas oder Glaskeramik |
US8734935B2 (en) | 2008-11-21 | 2014-05-27 | Schott Ag | Scratch-resistant silicone coating for cooktops made of glass or glass ceramic |
EP2223900A1 (de) | 2009-02-27 | 2010-09-01 | Schott AG | Beschichtung für den Anzeigebereich von Glas- oder Glaskeramik-Scheiben, Verfahren zur Herstellung einer solchen Beschichtung und deren Verwendung |
DE102009010952A1 (de) | 2009-02-27 | 2010-09-09 | Schott Ag | Beschichtung für den Anzeigebereich von Glas- oder Glaskeramik-Scheiben, Verfahren zur Herstellung einer solchen Beschichtung und deren Verwendung |
WO2012031837A1 (de) | 2010-09-11 | 2012-03-15 | Schott Ag | Beschichtung auf polyurethanbasis für anzeigebereiche |
DE102010045149A1 (de) | 2010-09-11 | 2012-03-15 | Bayer Material Science Ag | Beschichtung auf Polyurethanbasis für Anzeigebereiche |
DE102011009235A1 (de) | 2011-01-22 | 2012-07-26 | Schott Ag | Festigkeitssteigernde Beschichtung auf Polyurethan-basis |
DE102013022162A1 (de) | 2013-12-20 | 2015-06-25 | Schott Ag | Optischer Filter |
Also Published As
Publication number | Publication date |
---|---|
WO2003014034A1 (de) | 2003-02-20 |
PL199925B1 (pl) | 2008-11-28 |
WO2003014035A1 (de) | 2003-02-20 |
RU2004106597A (ru) | 2005-07-10 |
EP1414761B2 (de) | 2013-07-24 |
EP1414761A1 (de) | 2004-05-06 |
DE50202131D1 (de) | 2005-03-03 |
PL198059B1 (pl) | 2008-05-30 |
ATE287859T1 (de) | 2005-02-15 |
PL365540A1 (en) | 2005-01-10 |
EP1414762A1 (de) | 2004-05-06 |
ATE297365T1 (de) | 2005-06-15 |
EP1414761B1 (de) | 2005-06-08 |
PL367875A1 (en) | 2005-03-07 |
DE50106482D1 (de) | 2005-07-14 |
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